Collection: Impurity Standards
QuantiMol impurity standards include related compounds, degradation products, process impurities, isomers, residuals, and pharmaceutical impurity materials. These products support analytical research, method validation, impurity profiling, and quality control studies.
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Dapagliflozin impurity A [CAS 2452300-94-4]
CAS: 2452300-94-4 | SKU: QM-0156053-01 | Size: 5 mgRegular price £991.63 GBPRegular priceSale price £991.63 GBP -
D-Ribose (mixture of isomers) (Standard) [CAS 50-69-1]
CAS: 50-69-1 | SKU: QM-0203866-01 | Size: 10 mgRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
D-Ribose (mixture of isomers) -13C5 [CAS 202114-47-4]
CAS: 202114-47-4 | SKU: QM-0198335-01 | Size: 1 mgRegular price £62.26 GBPRegular priceSale price £62.26 GBP -
Dapagliflozin impurity [CAS 960404-86-8]
CAS: 960404-86-8 | SKU: QM-0142520-01 | Size: 10 mM - 1 mLRegular price £226.18 GBPRegular priceSale price £226.18 GBP -
D-Mannose isomerase (PsMaSeAF) [CAS 9031-25-8]
CAS: 9031-25-8 | SKU: QM-0161325 | Size: 1 URegular price £290.57 GBPRegular priceSale price £290.57 GBP -
D-Ribose (mixture of isomers) [CAS 50-69-1]
CAS: 50-69-1 | SKU: QM-0192681-01 | Size: 100 mgRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
Daclatasvir Impurity B [CAS 2226541-13-3]
CAS: 2226541-13-3 | SKU: QM-0062141-01 | Size: 5 mgRegular price £542.08 GBPRegular priceSale price £542.08 GBP -
Daclatasvir Impurity C [CAS 1256385-55-3]
CAS: 1256385-55-3 | SKU: QM-0062142 | Size: 1 Each Price on request -
DCG04 isomer-1
SKU: QM-0078397 | Size: 1 Each Price on request -
Crizotinib impurity 1 (Standard) [CAS 877397-70-1]
CAS: 877397-70-1 | SKU: QM-0017571 | Size: 1 Each Price on request -
Crizotinib impurity 1 [CAS 877397-70-1]
CAS: 877397-70-1 | SKU: QM-0017570-01 | Size: 100 mgRegular price £78.82 GBPRegular priceSale price £78.82 GBP -
Corey lactone benzoate impurity 1 (Standard) [CAS 1215192-62-3]
CAS: 1215192-62-3 | SKU: QM-0017341-01 | Size: 5 mgRegular price £401.13 GBPRegular priceSale price £401.13 GBP -
Corey lactone benzoate impurity 1 [CAS 1215192-62-3]
CAS: 1215192-62-3 | SKU: QM-0017340-01 | Size: 25 mgRegular price £527.50 GBPRegular priceSale price £527.50 GBP -
Clozapine impurity 8 [CAS 5814-41-5]
CAS: 5814-41-5 | SKU: QM-0017215 | Size: 5 mgRegular price £72.61 GBPRegular priceSale price £72.61 GBP -
CTPαS (Sp isomer) [CAS 118353-34-7]
CAS: 118353-34-7 | SKU: QM-0015417 | Size: 1 Each Price on request -
CTPαS (Rp isomer) [CAS 118374-59-7]
CAS: 118374-59-7 | SKU: QM-0015338 | Size: 1 Each Price on request -
Cyclobenzaprine impurity 2-d3 (hydrochloride)
SKU: QM-0148051-01 | Size: 1 mg Price on request -
Cis-Atovaquone-d5 (contains 10% trans isomer) [CAS 1217612-80-0]
CAS: 1217612-80-0 | SKU: QM-0052793-01 | Size: 500 µgRegular price £825.17 GBPRegular priceSale price £825.17 GBP -
Clopidogrel-related Compound B (hydrochloride) [CAS 144750-52-7]
CAS: 144750-52-7 | SKU: QM-0048094-01 | Size: 25 mgRegular price £69.50 GBPRegular priceSale price £69.50 GBP -
Clopidogrel impurity 1 (Standard) [CAS 120202-71-3]
CAS: 120202-71-3 | SKU: QM-0048078 | Size: 1 Each Price on request -
Clopidogrel impurity 1 [CAS 120202-71-3]
CAS: 120202-71-3 | SKU: QM-0048077-01 | Size: 50 mgRegular price £146.50 GBPRegular priceSale price £146.50 GBP -
Cinacalcet impurity 50 (Standard) [CAS 1622173-72-1]
CAS: 1622173-72-1 | SKU: QM-0021380-01 | Size: 1 mgRegular price £791.15 GBPRegular priceSale price £791.15 GBP -
Cinacalcet impurity 50 [CAS 1622173-72-1]
CAS: 1622173-72-1 | SKU: QM-0021379-01 | Size: 5 mgRegular price £978.26 GBPRegular priceSale price £978.26 GBP -
Cinakase impurity 11 (Standard) [CAS 1229512-52-0]
CAS: 1229512-52-0 | SKU: QM-0021364-01 | Size: 5 mgRegular price £111.63 GBPRegular priceSale price £111.63 GBP -
Cinacalcet impurity 1 (hydrochloride) (Standard) [CAS 1229225-42-6]
CAS: 1229225-42-6 | SKU: QM-0021363-01 | Size: 5 mgRegular price £135.25 GBPRegular priceSale price £135.25 GBP -
Cinacalcet impurity 1 (hydrochloride) [CAS 1229225-42-6]
CAS: 1229225-42-6 | SKU: QM-0021362-01 | Size: 10 mgRegular price £94.75 GBPRegular priceSale price £94.75 GBP -
Cinakase impurity 11 [CAS 1229512-52-0]
CAS: 1229512-52-0 | SKU: QM-0021361-01 | Size: 10 mgRegular price £67.44 GBPRegular priceSale price £67.44 GBP -
Cinacase impurity 12 [CAS 1229224-93-4]
CAS: 1229224-93-4 | SKU: QM-0021321-01 | Size: 25 mgRegular price £59.16 GBPRegular priceSale price £59.16 GBP -
Cinacalcet impurity 1 (Standard) [CAS 1271930-15-4]
CAS: 1271930-15-4 | SKU: QM-0021320-01 | Size: 1 mgRegular price £438.80 GBPRegular priceSale price £438.80 GBP -
Cinacalcet impurity 1 [CAS 1271930-15-4]
CAS: 1271930-15-4 | SKU: QM-0021319-01 | Size: 1 mgRegular price £250.47 GBPRegular priceSale price £250.47 GBP -
Cinnarizine impurity 7 (Standard) [CAS 21172-43-0]
CAS: 21172-43-0 | SKU: QM-0021318-01 | Size: 5 mgRegular price £65.37 GBPRegular priceSale price £65.37 GBP -
Cinnarizine impurity 7 [CAS 21172-43-0]
CAS: 21172-43-0 | SKU: QM-0021317-01 | Size: 100 mgRegular price £118.38 GBPRegular priceSale price £118.38 GBP -
Cinakase impurity 13 [CAS 2074615-22-6]
CAS: 2074615-22-6 | SKU: QM-0021312-01 | Size: 1 mgRegular price £257.76 GBPRegular priceSale price £257.76 GBP -
Cinakase impurity 1 (Standard) [CAS 1229224-94-5]
CAS: 1229224-94-5 | SKU: QM-0021279 | Size: 1 Each Price on request -
Cinakase impurity 1 [CAS 1229224-94-5]
CAS: 1229224-94-5 | SKU: QM-0021278-01 | Size: 1 mgRegular price £408.43 GBPRegular priceSale price £408.43 GBP -
Cinacalcet impurity 9 (Standard) [CAS 253337-60-9]
CAS: 253337-60-9 | SKU: QM-0021277-01 | Size: 1 mgRegular price £363.47 GBPRegular priceSale price £363.47 GBP -
Cinacalcet impurity 9 [CAS 253337-60-9]
CAS: 253337-60-9 | SKU: QM-0021276-01 | Size: 5 mgRegular price £444.88 GBPRegular priceSale price £444.88 GBP -
Cinacalcet impurity 5 (Standard) [CAS 1431699-53-4]
CAS: 1431699-53-4 | SKU: QM-0021275-01 | Size: 1 mgRegular price £426.65 GBPRegular priceSale price £426.65 GBP -
Cinacalcet impurity 5 [CAS 1431699-53-4]
CAS: 1431699-53-4 | SKU: QM-0021274-01 | Size: 5 mgRegular price £464.31 GBPRegular priceSale price £464.31 GBP -
Cholic acid impurity 1 [CAS 24637-46-5]
CAS: 24637-46-5 | SKU: QM-0017287-01 | Size: 5 mgRegular price £794.79 GBPRegular priceSale price £794.79 GBP -
Clenbuterol impurity 1 [CAS 37845-71-9]
CAS: 37845-71-9 | SKU: QM-0017034-01 | Size: 25 mgRegular price £395.06 GBPRegular priceSale price £395.06 GBP -
Clevidipine butyrate impurity 1 (Standard) [CAS 123853-39-4]
CAS: 123853-39-4 | SKU: QM-0017020 | Size: 1 Each Price on request -
Clevidipine butyrate impurity 1 [CAS 123853-39-4]
CAS: 123853-39-4 | SKU: QM-0017019-01 | Size: 250 mgRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
Clozapine EP impurity D-d8
SKU: QM-0147794-01 | Size: 1 mg Price on request -
Clevidipine impurity 24-13C, d3
SKU: QM-0104643 | Size: 1 Each Price on request -
Ciprofibrate impurity A [CAS 1474058-89-3]
CAS: 1474058-89-3 | SKU: QM-0062381-01 | Size: 25 mgRegular price £67.44 GBPRegular priceSale price £67.44 GBP -
Chlorthalidone impurity (ammonium)
SKU: QM-0156245-01 | Size: 5 mgRegular price £67.44 GBPRegular priceSale price £67.44 GBP -
Chlorthalidone Impurity G [CAS 16289-13-7]
CAS: 16289-13-7 | SKU: QM-0131174-01 | Size: 1 mgRegular price £149.88 GBPRegular priceSale price £149.88 GBP -
Chlorthalidone impurity (Standard) [CAS 5270-74-6]
CAS: 5270-74-6 | SKU: QM-0090363 | Size: 1 Each Price on request -
Chlorthalidone impurity [CAS 5270-74-6]
CAS: 5270-74-6 | SKU: QM-0074314-01 | Size: 5 mgRegular price £67.44 GBPRegular priceSale price £67.44 GBP -
Carvedilol impurity 1 [CAS 1391052-16-6]
CAS: 1391052-16-6 | SKU: QM-0051150-01 | Size: 5 mgRegular price £557.87 GBPRegular priceSale price £557.87 GBP -
Caspofungin impurity A [CAS 1202167-57-4]
CAS: 1202167-57-4 | SKU: QM-0025916 | Size: 1 Each Price on request -
Ceritinib impurity 5 (Standard) [CAS 1260864-79-6]
CAS: 1260864-79-6 | SKU: QM-0021406 | Size: 1 Each Price on request -
Ceritinib impurity 5 [CAS 1260864-79-6]
CAS: 1260864-79-6 | SKU: QM-0021405-01 | Size: 5 mgRegular price £72.61 GBPRegular priceSale price £72.61 GBP -
Carfizomib impurity 20 [CAS 2803375-51-9]
CAS: 2803375-51-9 | SKU: QM-0021287-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Cebranopadol ((1α,4α)stereoisomer) [CAS 863513-93-3]
CAS: 863513-93-3 | SKU: QM-0151693-01 | Size: 2 mgRegular price £288.14 GBPRegular priceSale price £288.14 GBP -
Cefpodoxime proxetil EP impurity A-d3 (sodium)
SKU: QM-0157326-01 | Size: 1 mgRegular price £1,223.69 GBPRegular priceSale price £1,223.69 GBP -
Chlorfenvinphos-d10 (Mixture of cis-trans isomers) [CAS 1346606-54-9]
CAS: 1346606-54-9 | SKU: QM-0144114-01 | Size: 50 mg Price on request -
Cetirizine Impurity C (dihydrochloride) [CAS 2702511-37-1]
CAS: 2702511-37-1 | SKU: QM-0143594-01 | Size: 5 mgRegular price £426.65 GBPRegular priceSale price £426.65 GBP -
Cetirizine Impurity D [CAS 346451-15-8]
CAS: 346451-15-8 | SKU: QM-0056925 | Size: 1 Each Price on request -
Cetirizine 3-chloro impurity [CAS 1232460-31-9]
CAS: 1232460-31-9 | SKU: QM-0061703 | Size: 1 Each Price on request -
Cetirizine Impurity B (dihydrochloride) [CAS 1000690-91-4]
CAS: 1000690-91-4 | SKU: QM-0056924 | Size: 5 mgRegular price £115.00 GBPRegular priceSale price £115.00 GBP -
Cetilistat impurity 1 [CAS 890655-08-0]
CAS: 890655-08-0 | SKU: QM-0062912 | Size: 1 Each Price on request -
Celastramycin A (isomer) [CAS 491600-94-3]
CAS: 491600-94-3 | SKU: QM-0109837-01 | Size: 1 mgRegular price £381.69 GBPRegular priceSale price £381.69 GBP -
Cetirizine Impurity C [CAS 83881-59-8]
CAS: 83881-59-8 | SKU: QM-0061707 | Size: 1 Each Price on request -
Cetirizine Impurity D (Standard) [CAS 346451-15-8]
CAS: 346451-15-8 | SKU: QM-0079562 | Size: 1 Each Price on request -
Cefpodoxime proxetil impurity B [CAS 947692-14-0]
CAS: 947692-14-0 | SKU: QM-0061679 | Size: 10 mgRegular price £2,748.51 GBPRegular priceSale price £2,748.51 GBP -
Cannabidiol impurity 1 [CAS 82769-01-5]
CAS: 82769-01-5 | SKU: QM-0056123 | Size: 100 mgRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
Butenafine impurity 2 (Standard) [CAS 120118-14-1]
CAS: 120118-14-1 | SKU: QM-0049761 | Size: 1 Each Price on request -
Butenafine impurity 2 [CAS 120118-14-1]
CAS: 120118-14-1 | SKU: QM-0049760-01 | Size: 100 mgRegular price £94.75 GBPRegular priceSale price £94.75 GBP -
Buvacitam impurity 27 [CAS 50840-31-8]
CAS: 50840-31-8 | SKU: QM-0048772-01 | Size: 10 mgRegular price £55.02 GBPRegular priceSale price £55.02 GBP -
Canagliflozin impurity 79
SKU: QM-0021387-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 15 [CAS 2803375-40-6]
CAS: 2803375-40-6 | SKU: QM-0021358-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 3 [CAS 2803420-39-3]
CAS: 2803420-39-3 | SKU: QM-0021357-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 1 [CAS 842133-16-8]
CAS: 842133-16-8 | SKU: QM-0021356-01 | Size: 5 mgRegular price £71.58 GBPRegular priceSale price £71.58 GBP -
Canagliflozin impurity 4 [CAS 2803372-74-7]
CAS: 2803372-74-7 | SKU: QM-0021355-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 10
SKU: QM-0021354-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 8
SKU: QM-0021353-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 77
SKU: QM-0021352-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 2 [CAS 2444010-87-9]
CAS: 2444010-87-9 | SKU: QM-0021351-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 12 (Standard) [CAS 1823966-94-4]
CAS: 1823966-94-4 | SKU: QM-0021350-01 | Size: 1 mgRegular price £275.99 GBPRegular priceSale price £275.99 GBP -
Canagliflozin impurity 12 [CAS 1823966-94-4]
CAS: 1823966-94-4 | SKU: QM-0021349-01 | Size: 5 mgRegular price £282.06 GBPRegular priceSale price £282.06 GBP -
Canagliflozin impurity 5 (Standard) [CAS 1823462-28-7]
CAS: 1823462-28-7 | SKU: QM-0021348 | Size: 1 Each Price on request -
Canagliflozin impurity 5 [CAS 1823462-28-7]
CAS: 1823462-28-7 | SKU: QM-0021347-01 | Size: 50 mgRegular price £256.55 GBPRegular priceSale price £256.55 GBP -
Canagliflozin impurity 7 [CAS 2444007-31-0]
CAS: 2444007-31-0 | SKU: QM-0021346-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 9 [CAS 2448346-63-0]
CAS: 2448346-63-0 | SKU: QM-0021345-01 | Size: 5 mgRegular price £206.74 GBPRegular priceSale price £206.74 GBP -
Canagliflozin impurity 78 [CAS 2443735-82-6]
CAS: 2443735-82-6 | SKU: QM-0021344-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 11 [CAS 2803376-82-9]
CAS: 2803376-82-9 | SKU: QM-0021298-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Canagliflozin impurity 14
SKU: QM-0021286-01 | Size: 1 mgRegular price £953.96 GBPRegular priceSale price £953.96 GBP -
Camptothecin impurity 1 (Standard) [CAS 127318-97-2]
CAS: 127318-97-2 | SKU: QM-0017330-01 | Size: 5 mgRegular price £58.12 GBPRegular priceSale price £58.12 GBP -
Camptothecin impurity 1 [CAS 127318-97-2]
CAS: 127318-97-2 | SKU: QM-0017329-01 | Size: 100 mgRegular price £194.59 GBPRegular priceSale price £194.59 GBP -
Captopril EP Impurity D [CAS 56970-78-6]
CAS: 56970-78-6 | SKU: QM-0203680-01 | Size: 1 gRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
Calcein (mixture of isomers) [CAS 154071-48-4]
CAS: 154071-48-4 | SKU: QM-0160967-01 | Size: 10 mgRegular price £57.09 GBPRegular priceSale price £57.09 GBP -
Calcipotriol Impurity C [CAS 113082-99-8]
CAS: 113082-99-8 | SKU: QM-0156695-01 | Size: 1 mgRegular price £330.67 GBPRegular priceSale price £330.67 GBP -
Budesonide impurity C [CAS 1040085-99-1]
CAS: 1040085-99-1 | SKU: QM-0079082-01 | Size: 1 mgRegular price £140.88 GBPRegular priceSale price £140.88 GBP -
Captopril EP Impurity C [CAS 26473-47-2]
CAS: 26473-47-2 | SKU: QM-0146078-01 | Size: 50 mgRegular price £55.02 GBPRegular priceSale price £55.02 GBP -
Cabergoline isomer-d6
SKU: QM-0148055-01 | Size: 1 mg Price on request -
Captopril EP Impurity J [CAS 64838-55-7]
CAS: 64838-55-7 | SKU: QM-0133234 | Size: 100 mgRegular price £78.82 GBPRegular priceSale price £78.82 GBP -
Captopril EP Impurity B [CAS 80629-35-2]
CAS: 80629-35-2 | SKU: QM-0063230 | Size: 1 Each Price on request -
Captopril EP Impurity B (Standard) [CAS 80629-35-2]
CAS: 80629-35-2 | SKU: QM-0128672 | Size: 1 Each Price on request -
Captopril EP Impurity D (Standard) [CAS 56970-78-6]
CAS: 56970-78-6 | SKU: QM-0123342 | Size: 1 Each Price on request -
Captopril EP Impurity E [CAS 23500-15-4]
CAS: 23500-15-4 | SKU: QM-0063232 | Size: 1 Each Price on request -
Calcipotriol Impurity C (Standard) [CAS 113082-99-8]
CAS: 113082-99-8 | SKU: QM-0101680 | Size: 1 Each Price on request -
Captopril EP Impurity E (Standard) [CAS 23500-15-4]
CAS: 23500-15-4 | SKU: QM-0088298 | Size: 1 Each Price on request -
Captopril EP Impurity C (Standard) [CAS 26473-47-2]
CAS: 26473-47-2 | SKU: QM-0085225 | Size: 1 Each Price on request -
Bortezomib impurity 12 [CAS 886979-78-8]
CAS: 886979-78-8 | SKU: QM-0049237 | Size: 10 mgRegular price £250.47 GBPRegular priceSale price £250.47 GBP -
Bosutinib isomer [CAS 1391063-17-4]
CAS: 1391063-17-4 | SKU: QM-0081982-01 | Size: 5 mgRegular price £140.88 GBPRegular priceSale price £140.88 GBP -
Bortezomib impurity A [CAS 289472-80-6]
CAS: 289472-80-6 | SKU: QM-0168190-01 | Size: 5 mgRegular price £189.72 GBPRegular priceSale price £189.72 GBP -
Bisabolene (mixture of isomers) [CAS 495-62-5]
CAS: 495-62-5 | SKU: QM-0091705-01 | Size: 1 gRegular price £57.09 GBPRegular priceSale price £57.09 GBP -
Betahistine EP Impurity C (Standard) [CAS 5452-87-9]
CAS: 5452-87-9 | SKU: QM-0003324 | Size: 1 Each Price on request -
Betahistine impurity 5-13C, d3
SKU: QM-0148039-01 | Size: 5 mg Price on request -
Betahistine EP Impurity C [CAS 5452-87-9]
CAS: 5452-87-9 | SKU: QM-0057773-01 | Size: 5 mgRegular price £55.02 GBPRegular priceSale price £55.02 GBP -
Avibactam impurity 1 (Standard) [CAS 400626-71-3]
CAS: 400626-71-3 | SKU: QM-0056125-01 | Size: 10 mgRegular price £57.09 GBPRegular priceSale price £57.09 GBP -
Avibactam impurity 1 [CAS 400626-71-3]
CAS: 400626-71-3 | SKU: QM-0056124-01 | Size: 1 gRegular price £51.91 GBPRegular priceSale price £51.91 GBP -
Aripiprazole impurity 1 (Standard) [CAS 120004-79-7]
CAS: 120004-79-7 | SKU: QM-0049158 | Size: 1 Each Price on request -
Aripiprazole impurity 1 [CAS 120004-79-7]
CAS: 120004-79-7 | SKU: QM-0049157-01 | Size: 100 mgRegular price £74.68 GBPRegular priceSale price £74.68 GBP -
Bedaquinoline impurity 2 (Standard) [CAS 654653-95-9]
CAS: 654653-95-9 | SKU: QM-0021427 | Size: 1 Each Price on request -
Bedaquinoline impurity 2 [CAS 654653-95-9]
CAS: 654653-95-9 | SKU: QM-0021426-01 | Size: 1 mgRegular price £288.14 GBPRegular priceSale price £288.14 GBP -
Bedaquinoline impurity 18 (Standard) [CAS 654655-70-6]
CAS: 654655-70-6 | SKU: QM-0021423 | Size: 1 Each Price on request -
Bedaquinoline impurity 18 [CAS 654655-70-6]
CAS: 654655-70-6 | SKU: QM-0021422-01 | Size: 5 mgRegular price £188.51 GBPRegular priceSale price £188.51 GBP